HOLLYWOOD, CA - APRIL 22:  Actresses-singers AJ  Michalka (L) and Aly Michalka attend the 5th Annual ELLE Women in Music Celebration presented by CUSP by Neiman Marcus. Hosted by ELLE Editor-in-Chief Robbie Myers with performances by Sarah McLachlan, Angel Haze and Betty Who, with special DJ set by Rumer Willis at Avalon on April 22, 2014 in Hollywood, California.  (Photo by Jason Merritt/Getty Images for ELLE)